rowid,zoom_level,tile_column,tile_row,tile_data
327,2,0,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/327.blob?_blob_column=tile_data
331,2,1,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/331.blob?_blob_column=tile_data
335,2,3,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/335.blob?_blob_column=tile_data
339,2,2,3,https://datasette-tiles-demo.datasette.io/basemap/tiles/339.blob?_blob_column=tile_data